Paint container insert



FIG. 1 is a perspective view of a paint container insert showing my new design;

FIG. 2 is a bottom plan view thereof; and,

FIG. 3 is a perspective view, showing the claimed design in use.

The broken line showings of a paint container in FIG. 3 are for the purpose of illustrating the environment in which the design is associated and form no part of the claimed design. 

The ornamental design for a paint container insert, as shown and described. 